CN220468524U - Three-dimensional composite drainage pad with water and air pipeline - Google Patents
Three-dimensional composite drainage pad with water and air pipeline Download PDFInfo
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- CN220468524U CN220468524U CN202321047657.4U CN202321047657U CN220468524U CN 220468524 U CN220468524 U CN 220468524U CN 202321047657 U CN202321047657 U CN 202321047657U CN 220468524 U CN220468524 U CN 220468524U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 239000011165 3D composite Substances 0.000 title claims abstract description 50
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000004744 fabric Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 4
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 22
- 238000010276 construction Methods 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
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- 239000004567 concrete Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 238000000926 separation method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
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- 238000005086 pumping Methods 0.000 description 1
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- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model discloses a three-dimensional composite drainage mat with a water and air pipeline, and belongs to the technical field of composite drainage net mats. The utility model relates to a three-dimensional composite drainage pad with a water and air pipeline, which at least comprises a drainage body I and a drainage body II; a part or all of the drainage body is of a convex structure; the convex structure is matched with the wall surface of the second drainage body to form a pipeline capable of circulating water and air; the second water draining body is fixedly connected with the first water draining body to form a three-dimensional composite water draining pad with a water and air pipeline. Through continuous exploration and test, the utility model is provided with the first drainage body and the second drainage body which are provided with the convex structures, and the convex structures are matched with the wall surfaces of the second drainage body to form a pipeline capable of circulating water and gas; the drainage body II is fixedly connected with the drainage body I to form a three-dimensional composite drainage pad with a water-air pipeline, so that the drainage rate and the ventilation effect can be effectively improved, quick drainage and ventilation can be conveniently carried out, the drainage and ventilation effects are good, and popularization and use are facilitated.
Description
Technical Field
The utility model relates to a three-dimensional composite drainage mat with a water and air pipeline, and belongs to the technical field of composite drainage net mats.
Background
Chinese patent (publication No. CN 204780852U) discloses a three-dimensional composite geotechnical net pad capable of replacing a natural material horizontal sand cushion layer, so as to reduce engineering investment and improve drainage effect and construction efficiency. The three-dimensional composite geotechnical net pad is formed by compositing three layers, wherein the upper layer and the lower layer are both anti-filtering layers, and non-woven geotechnical cloth with needle punching holes is adopted; the middle layer is a permeable three-dimensional geotechnical net core, the three-dimensional geotechnical net core comprises vertical ribs which are arranged side by side at intervals, and oblique ribs are fixedly arranged above and below the vertical ribs respectively, so that the three-dimensional geotechnical net core is formed.
But above-mentioned scheme is permeated water through the clearance that two-layer geotechnique's cloth and a plurality of rib formed, and during the in-service use, under the extrusion of soil and other bed course, the three-layer construction of above-mentioned scheme can be inseparable laminating together, influences drainage rate and ventilation effect, therefore can't carry out quick drainage, ventilate, and drainage, ventilation effect are relatively poor, are unfavorable for using widely.
The information disclosed in this background is only for the understanding of the background of the inventive concept and therefore it may comprise information that does not form the prior art.
Disclosure of Invention
In view of the above or one of the above problems, an object of the present utility model is to provide a first drainage body and a second drainage body having a convex structure, wherein the convex structure is matched with a wall surface of the second drainage body to form a pipeline capable of circulating water and air; the drainage body II is fixedly connected with the drainage body I to form the three-dimensional composite drainage pad with the water and air pipeline, so that the drainage rate and the ventilation effect can be effectively improved, quick drainage and ventilation can be conveniently carried out, the drainage and ventilation effects are good, and the popularization and the use of the three-dimensional composite drainage pad with the water and air pipeline are facilitated.
In view of the above or one of the above problems, a second object of the present utility model is to provide a first drainage body, a third drainage body and a second drainage body with a convex structure, wherein the convex structure is matched with a wall surface of the second drainage body to form a pipeline capable of circulating water and air; one side of the drainage body II is fixed with the drainage body I, the other side is fixed with the drainage body III, a double-way pipeline structure is formed, the drainage rate and the ventilation effect can be effectively improved, quick drainage and ventilation can be conveniently carried out, the drainage and ventilation effects are good, popularization and use are facilitated, the structure is simple and practical, and the three-dimensional composite drainage pad with the water and air pipeline is low in manufacturing cost.
In order to achieve one of the above objects, a first technical solution of the present utility model is:
a three-dimensional composite drainage pad with a water-air pipeline at least comprises a drainage body I and a drainage body II;
a part or all of the drainage body is of a convex structure;
the second water draining body is fixedly connected with the first water draining body to form a three-dimensional composite water draining pad with a water and air pipeline.
Through continuous exploration and test, the utility model is provided with the first drainage body and the second drainage body which are provided with the convex structures, and the convex structures are matched with the wall surfaces of the second drainage body to form a pipeline capable of circulating water and gas; the drainage body II is fixedly connected with the drainage body I to form a three-dimensional composite drainage pad with a water-air pipeline, so that the drainage rate and the ventilation effect can be effectively improved, quick drainage or/and ventilation can be conveniently carried out, the drainage or/and ventilation effect is good, and popularization and use are facilitated.
Further, the water-air pipeline described in the application means that water and/or gas can flow through, and does not mean that water and gas must flow through at the same time, and can flow through at the same time, or can flow through one of them separately.
As a preferred technical measure:
the water draining device also comprises one or more water draining bodies III;
the third part or all of the drainage body is of a convex structure and is fixed on one side surface of the second drainage body; the first drainage body is fixed on the other side surface of the second drainage body, a two-way pipeline structure is formed, and the drainage rate and the ventilation effect are further improved.
Or, the third water draining body is of a flat plate structure and is stacked on one side of the first water draining body far away from the second water draining body to form a multi-layer composite protection structure.
Because the first drainage body is provided with the cavity structure, the structural strength of the first drainage body may be deteriorated, and the third drainage body is arranged on the outer side surface of the first drainage body, the first drainage body can be effectively protected, so that the structural strength of the three-dimensional composite drainage pad can be enhanced, and the application range of the three-dimensional composite drainage pad is wider.
Further, the number of the water draining bodies with the protruding structures is one, the number of the water draining bodies with the flat plate structures is two, and the five water draining bodies are sequentially overlapped together according to actual requirements, so that a five-layer composite water draining structure with good water draining effect and high structural strength is formed. Preferably, the flat plate structures can be respectively overlapped on the upper and lower wall surfaces of the double-pipeline structure, so that the structural strength of the three-dimensional composite drainage pad can be effectively enhanced.
The person skilled in the art can stack and assemble a plurality of different types of drainage bodies according to actual drainage requirements and structural strength requirements so as to meet the requirements of actual scenes.
As a preferred technical measure:
the second drainage body is of a plane structure, the edge of the second drainage body is welded and fixed with the first drainage body or/and the edge of the third drainage body through the hot-melt pressing strip, and the structure is simple and practical and is convenient to implement.
As a preferred technical measure:
the convex structure is matched with the wall surface of the second drainage body to form a multi-pipeline structure capable of circulating water and air, so that the drainage and ventilation effects are further enhanced;
or/and the convex structure is a tubular structure, a semicircular structure, a circular structure, a triangular structure or an arc structure.
The tubular structure is a round tube or an elliptic tube or a square tube.
As a preferred technical measure:
the tubular structure may be a circular tube having an inner diameter of 2 cm to 15 cm.
As a preferred technical measure:
the protruding structure is long strip arc structure, and its quantity is a plurality of, forms wavy relief structure, further strengthens the ventilative effect of drainage to can strengthen structural strength.
As a preferred technical measure:
one or more layers of filter cloth are paved or coated on the first drainage body or/and the second drainage body or/and the third drainage body, the width of the filter cloth is more than 10 cm, and the thickness of the filter cloth is 5 mm-5 cm.
As a preferred technical measure:
the first drainage body and/or the second drainage body and/or the third drainage body are/is made of plastic or rubber or wood, and a sealing film is paved on the surface of the first drainage body and/or the second drainage body and/or the third drainage body integrally so as to form a vacuum pipeline which is convenient for sucking.
As a preferred technical measure:
the first drainage body or/and the second drainage body or/and the third drainage body are of a sheet-shaped structure or a plate-shaped structure or a grid sheet with a plurality of hollowed holes.
Preferably, the first drainage body or/and the second drainage body or/and the third drainage body are grid sheets with a plurality of hollowed holes, so that the drainage and ventilation effects can be further enhanced.
The sheet structure may be a perforated sheet or a sheet without holes.
The plate-like structure may be a perforated plate or a plate without holes.
The cross section of the hollowed-out hole is semicircular or/and circular or/and triangular or/and arc-shaped or irregular.
In order to achieve one of the above objects, a second technical solution of the present utility model is:
a three-dimensional composite drainage pad with a water-air pipeline at least comprises a drainage body I, a drainage body II and a drainage body III; the first drainage body, the second drainage body and the third drainage body are grid sheets respectively;
the part or all of the first drainage body and the third drainage body are respectively of a convex structure;
the convex structure is matched with the wall surface of the second drainage body to form a pipeline capable of circulating water and air;
one side surface of the second drainage body is fixed with the first drainage body, and the other side surface is fixed with the third drainage body, so that a two-way pipeline structure is formed.
Through continuous exploration and test, the utility model is provided with the first drainage body, the third drainage body and the second drainage body which are provided with the convex structures, and the convex structures are matched with the wall surfaces of the second drainage body to form a pipeline capable of circulating water and gas; the drainage body I is fixed to one side of the drainage body II, the drainage body III is fixed to the other side, a double-pass pipeline structure is formed, drainage, ventilation speed and ventilation effect can be effectively improved, rapid drainage or/and ventilation can be conveniently carried out, drainage or/and ventilation effect is good, popularization and use are facilitated, and the drainage device is simple in structure, practical and low in manufacturing cost.
Compared with the prior art, the utility model has the following beneficial effects:
through continuous exploration and test, the utility model is provided with the first drainage body and the second drainage body which are provided with the convex structures, and the convex structures are matched with the wall surfaces of the second drainage body to form a pipeline capable of circulating water and gas; the drainage body II is fixedly connected with the drainage body I to form a three-dimensional composite drainage pad with a water and air pipeline, so that drainage, ventilation rate and ventilation effect can be effectively improved, rapid drainage or/and ventilation can be conveniently carried out, the drainage or/and ventilation effect is good, and popularization and use are facilitated.
Further, through continuous exploration and test, the utility model is provided with the first drainage body, the third drainage body and the second drainage body which are provided with the convex structures, and the convex structures are matched with the wall surfaces of the second drainage body to form a pipeline capable of circulating water and gas; the drainage body I is fixed to one side of the drainage body II, the drainage body III is fixed to the other side, a double-way pipeline structure is formed, the drainage rate and the ventilation effect can be effectively improved, quick drainage or/and ventilation can be conveniently carried out, the drainage or/and ventilation effect is good, popularization and use are facilitated, the structure is simple and practical, and the manufacturing cost is low.
Drawings
FIG. 1 is a schematic view of a first construction of a three-dimensional composite drainage mat according to the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 with a certain angle of transition;
FIG. 3 is a schematic view of a second construction of the three-dimensional composite drainage mat of the present utility model;
FIG. 4 is a schematic view of the structure of FIG. 3 with a certain angle of transition;
FIG. 5 is a schematic view of a third construction of a three-dimensional composite drainage mat according to the present utility model;
FIG. 6 is a schematic view of a fourth construction of a three-dimensional composite drainage mat according to the present utility model;
fig. 7 is a schematic view illustrating the structure of fig. 6 with a certain angle of transition.
Reference numerals illustrate:
1. a first drainage body; 2. a second drainage body; 3. a third drainage body; 4. a filter membrane; 5. grid sheet I; 6. grid sheet II; 7. grid sheet III; 8. a filter cloth; 9. and (5) a hollowed hole.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
On the contrary, the utility model is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the utility model as defined by the appended claims. Further, in the following detailed description of the present utility model, certain specific details are set forth in order to provide a better understanding of the present utility model. The present utility model will be fully understood by those skilled in the art without the details described herein.
It is noted that when two elements are "fixedly connected" or "affixed," the two elements may be directly connected or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, one embodiment of the three-dimensional composite drainage mat with a water vapor line of the present utility model:
a three-dimensional composite drainage pad with a water-air pipeline at least comprises a drainage body I1 and a drainage body II 2;
the first drainage body 1 is of a local or whole convex structure;
the convex structure is matched with the wall surface of the second drainage body 2 to form a pipeline capable of circulating water and air;
the second drainage body 2 is fixedly connected with the first drainage body 1 to form a three-dimensional composite drainage mat with a water-air pipeline, and the three-dimensional composite drainage mat is used for replacing or thinning a planar sand bedding layer.
As shown in fig. 3-4, a second embodiment of the three-dimensional composite drainage mat with a water vapor line of the present utility model:
a three-dimensional composite drainage pad with a water-air pipeline at least comprises a drainage body I1, a drainage body II 2 and a drainage body III 3;
the part or all of the first drainage body 1 and the third drainage body 3 are respectively of a convex structure;
the convex structure is matched with the wall surface of the second drainage body 2 to form a pipeline capable of circulating water and air;
one side surface of the second drainage body 2 is fixed with the first drainage body 1, and the other side surface is fixed with the third drainage body 3, so as to form a two-way pipeline structure.
As shown in fig. 5, a third embodiment of the three-dimensional composite drainage mat with a water vapor line of the present utility model:
a three-dimensional composite drainage mat with a water-air pipeline at least comprises a first grid sheet 5 and a second grid sheet 6;
the first grid sheet 5 is of a local or whole convex structure;
the convex structure is matched with the wall surface of the grid sheet II 6 to form a pipeline capable of circulating water and air;
the grid sheet II 6 is fixedly connected with the grid sheet I5 to form a three-dimensional composite drainage mat with a water and air pipeline, and the three-dimensional composite drainage mat is used for replacing or thinning a plane paving sand cushion.
The first grid sheet 5 and the second grid sheet 6 are provided with a plurality of hollowed-out holes.
As shown in fig. 6-7, a fourth embodiment of the three-dimensional composite drainage mat with water vapor lines of the present utility model:
a three-dimensional composite drainage pad with a water and air pipeline at least comprises a first grid sheet 5, a second grid sheet 6 and a third grid sheet 7; the first grid sheet 5, the second grid sheet 6 and the third grid sheet 7 are respectively in a net structure;
part or all of the first grid sheet 5 and the third grid sheet 7 are respectively of a convex structure;
the convex structure is matched with the wall surface of the grid sheet II 6 to form a pipeline capable of circulating water and air;
one side surface of the grid sheet II 6 is fixed with the grid sheet I5, and the other side surface is fixed with the grid sheet III 7, so that a two-way pipeline structure is formed.
The fifth embodiment of the three-dimensional composite drainage mat with a water-air pipeline of the utility model:
a three-dimensional composite drainage pad with a water vapor pipeline comprises a filter cloth 8 and a plurality of grid sheets; at least one grid sheet in the grid sheets is of a protruding structure, and the protruding structure is matched with the other grid sheet to form a pipeline capable of circulating water and air.
The filter cloth 8 has a single-sided layer or double-sided layer structure, and has a soil-separating and infiltration function.
All-dimensional, longitudinal and transverse channels are formed between the grid sheets, the channels can drain and exhaust water and play a role in reinforcing, and the thickness of the grid sheets is between 5 millimeters and 5 centimeters according to the use requirements.
The surface of the grid sheet is compounded with filter cloth 8, and hollow plastic pipes are assembled to form a tubular structure with the cross section of 2 cm-15 cm, the plastic pipes are semicircular, circular, triangular, arc-shaped and the like, and the tubular structures can be connected through soft joints or hard joints so as to perform drainage and air exhaust in the longitudinal and transverse directions and structural reinforcement of the whole structure.
First embodiment of the grid sheet structure of the present utility model:
the filter membrane 4 is overlapped on the upper and lower surfaces of the first drainage body 1 and the second drainage body 2, and the two surfaces are welded and compounded together through welding and compounding or pressing strips to form the compound drainage net pad, the width of which can be 200-1500 mm, and the width of which can be arbitrarily fixed according to engineering design. The first drainage body 1, the second drainage body 2 and the formed pipeline are mainly used for infiltration drainage; the filter membrane 4 is used for isolating soil body and carrying out solid-liquid separation.
Second embodiment of the grid sheet structure of the present utility model:
the filter membrane 4 is overlapped on one side or two sides of the first drainage body 1 and the second drainage body 2 to form a composite drainage net pad material, and the width of the composite drainage net pad material is 100-300 mm.
The convex structure is matched with the wall surface of the second drainage body 2 to form a pipeline capable of circulating water and air; the inner diameter of the pipeline is 50 mm-100 mm, the pipeline is semicircular integrally, and the pipeline is arranged at the middle part or any part of the composite drainage net pad, and the number of the pipeline is single or multiple; the distribution area is one or two sides of the composite drainage net pad, so that a semicircular bent longitudinal water and air pipeline can be formed for sucking or pumping the water and air.
The semicircular bent longitudinal water-gas pipeline can be inserted into a plastic pipe and can be directly communicated with a vacuum pipeline to a vacuum gas-water separation tank. The surface of the longitudinal water and gas pipeline can be covered with a vacuum sealing film so as to carry out vacuum suction and prepressing drainage; the accumulated water can be directly discharged into the ground water collecting tank through the pipeline.
The application welds and composites the pipeline with water vapor and the three-dimensional composite drainage net pad to form an integrated structure combination, and the drainage body material with a special structure is manufactured.
One specific embodiment of the fixing mode of the utility model:
the fixing mode is hot melt connection or adhesive connection or pressing bar connection or adhesive tape connection.
Application of a specific embodiment of the utility model:
the device can be used for occasions such as a seepage liquid sludge pond and river sludge with higher water content, and has the functions of fluid infiltration, solid-liquid separation and the like. The method can also be used for occasions such as foundation plane laying or laminated wrapping reinforcement treatment.
Furthermore, the utility model is suitable for the surface or the lower part of the surface of various soil bodies (silt, sand and the like) to directly carry out infiltration drainage.
Furthermore, the utility model is suitable for the surface of various building concretes or concrete sandwich structures, and can directly carry out infiltration drainage, thereby having the functions of isolation, reinforcement and reinforcement, drainage and the like.
Furthermore, the utility model can be used between the underground concrete surface of the building and the soil layer, and can also be used for roads, railways, runway, parks and the like, and has the functions of seepage prevention, drainage, exhaust, isolation, heat insulation and the like.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (10)
1. A three-dimensional composite drainage pad with a water-air pipeline is characterized in that,
at least comprises a first drainage body (1) and a second drainage body (2);
the first drainage body (1) is of a local or whole convex structure;
the second water draining body (2) is fixedly connected with the first water draining body (1) to form the three-dimensional composite water draining pad with the water and air pipeline.
2. A three-dimensional composite drainage mat with a water vapor line according to claim 1,
further comprises one or more drainage bodies III (3);
the third water draining body (3) is of a local or whole convex structure and is fixed on one side surface of the second water draining body (2); the other side surface of the drainage body II (2) is fixed with the drainage body I (1) to form a double-pass pipeline structure;
or, the third water draining body (3) is of a flat plate structure and is stacked on one side of the first water draining body (1) far away from the second water draining body (2) to form a multi-layer composite protection structure.
3. A three-dimensional composite drainage mat with a water vapor line according to claim 2,
the second drainage body (2) is of a plane structure, and the edge of the second drainage body is welded and fixed with the edge of the first drainage body (1) or/and the edge of the third drainage body (3) through a hot-melt pressing bar.
4. A three-dimensional composite drainage mat with a water vapor line according to claim 1,
the convex structure is matched with the wall surface of the second drainage body (2) to form a multi-pipeline structure capable of circulating water and air;
or/and the convex structure is a tubular structure, a semicircular structure, a circular structure, a triangular structure or an arc structure.
5. A three-dimensional composite drainage mat with a water vapor line according to claim 4,
the inner diameter of the tubular structure is 2 cm-15 cm.
6. A three-dimensional composite drainage mat with a water vapor line according to claim 1,
the protruding structures are long-strip arc-shaped structures, the number of the protruding structures is multiple, and the wavy fluctuating structures are formed.
7. A three-dimensional composite drainage mat with a water vapor line according to claim 2,
one or more layers of filter cloth (8) are paved or coated on the first drainage body (1) or/and the second drainage body (2) or/and the third drainage body (3), the width of the filter cloth is more than 10 cm, and the thickness of the filter cloth is 5 mm-5 cm.
8. A three-dimensional composite drainage mat with a water vapor line according to claim 2,
the first drainage body (1) or/and the second drainage body (2) or/and the third drainage body (3) is made of plastic, rubber or wood, and a sealing film is paved on the whole surface of the first drainage body to form a vacuum pipeline which is convenient for sucking.
9. A three-dimensional composite drainage mat with a water vapor line according to claim 2,
the first drainage body (1) or/and the second drainage body (2) or/and the third drainage body (3) are of a sheet-shaped structure or a plate-shaped structure or a grid sheet with a plurality of hollowed holes (9);
the cross section of the hollowed-out hole (9) is semicircular or/and circular or/and triangular or/and arc-shaped.
10. A three-dimensional composite drainage pad with a water-air pipeline is characterized in that,
at least comprises a first drainage body (1), a second drainage body (2) and a third drainage body (3);
the first drainage body (1), the second drainage body (2) and the third drainage body (3) are respectively grid sheets;
the part or all of the first drainage body (1) and the third drainage body (3) are respectively of a convex structure;
the convex structure is matched with the wall surface of the second drainage body (2) to form a pipeline capable of circulating water and air;
one side surface of the second water drainage body (2) is fixed with the first water drainage body (1), and the other side surface is fixed with the third water drainage body (3) to form a double-pass pipeline structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047657.4U CN220468524U (en) | 2023-04-28 | 2023-04-28 | Three-dimensional composite drainage pad with water and air pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047657.4U CN220468524U (en) | 2023-04-28 | 2023-04-28 | Three-dimensional composite drainage pad with water and air pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468524U true CN220468524U (en) | 2024-02-09 |
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ID=89797642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047657.4U Active CN220468524U (en) | 2023-04-28 | 2023-04-28 | Three-dimensional composite drainage pad with water and air pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468524U (en) |
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2023
- 2023-04-28 CN CN202321047657.4U patent/CN220468524U/en active Active
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